Dry block thermostat TDB-U-400 is an universal laboratory device for constant temperature maintaining of tubes, glasses and any other containers. Dry block thermostat TDB-U-400 may be used in ecological monitoring laboratories, in food quality analysis, biochemistry, for evaporation (”sand bath” regime) and so on. In dry block thermostat TDB-U-400 set are included standard aluminium blocks with dimensions 60 x 120 x 50 mm for tubes and laboratory glasses of different kinds. Dry block thermostat TDB-U-400 is applicable in all areas of laboratory research & education in biotechnology, molecular biology, biochemistry, microbiology, chemistry, cytochemistry, medicine, gene engineering, diagnostic, food quality analysis.